Steven Sun
Mechanical Engineering @ Purdue University β’ President @ Boilerexams
I design, build, and test mechanical systems across robotics, advanced manufacturing, and biomedical researchβtaking complex engineering problems from concept to verified hardware.
Projects (14)
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Boilerexams Platform Frontend & Infrastructure
SoftwareHelped develop, maintain, and expand frontend features and server performance for a platform serving 10M+ submissions.

Vascular Disrupting Agents (VDAs) for Kidney Cancer
R&DPerformed in-vivo surgery, cancer implantation, and testing of lab-developed VDAs yielding proven tumor necrosis.

NASA Planetary Hopper Subassembly
EngineeringDesigned multi-legged shock-absorbing planetary hopper mechanism for NASA CAD mission trade study.

Geographic Imaging Satellite CAD
EngineeringComplete assembly featuring solar panels, long-range relay antenna, star-trackers, and infrared barometers.

FRC Robot Drivetrain, Intake & Climbing Arm
EngineeringDesigned intake & articulated climbing subsystem under weight constraints. Integrated autonomy logic.

Automated Cruise Control Differential Modeling
R&DDifferential equation analysis estimating dynamic fuel/power efficiency gains across vehicle profiles & weather conditions.

Lil' Blazer Engine
EngineeringRecreation of classic lighter technology into a functional tabletop engine.

2-Wheel Steering Cart
EngineeringParametric utility cart assembly featuring front-axle 2-wheel steering.

Custom Air Filter Cover
EngineeringCustom replacement air filter shroud modeled for improved visual profile.

Ergonomic Phone Display Mount
EngineeringMulti-axis display stand designed to replace sharp metallic desk holders.

PVDF Nanofiber Energy Harvester
R&DBuilt custom test rigs converting mechanical strain into 4mW output; led sub-team through validation.

PCB Measurement Automation
QualityDeveloped automated measurement programs for Keyence optical inspection systems.

NCR & CAPA Distribution Workflow
QualityProgrammed automated routing system to shuffle and distribute non-conformance records.
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PCB Defect Tracking & Volley System
QualityBuilt custom program to log, volley, and resolve component defect tickets.
Work Experience
Full Resume PDF β- Investigated NCRs and CAPAs on active EMS production lines using root-cause analysis to implement containment actions.
- Authored & executed IQ/OQ/PQ validation protocols for Nordson X-Ray, ERSA Versaflow Selective Solder, Juki SMT lines, and Electrovert Wave Solder equipment.
- Managed daily Material Review Board (MRB) triage for non-conforming materials to minimize line downtime.
- Monitored yield, defect, and scrap metrics across SMT and box-build assembly; operated Keyence measurement tools per IPC/ISO standards.
- Lead student platform serving 23 courses with 10M+ student submissions across Purdue University.
- Authored interactive exam questions and comprehensive video explanations for MA261 (1.8M student submissions, 108K hours studied).
- Performed in-vivo murine surgical procedures for controlled cancer implantation under faculty supervision; achieved 90% treatment success rate.
- Collected imaging & response data evaluating therapeutic effectiveness; co-authored abstract submitted to BMES.
- Completed NASA-aligned engineering curriculum; applied 3D parametric modeling and systems trade studies to aerospace mission design challenges.
- Led mechanical CAD subassemblies and presented trade study findings to NASA engineers.
- Led subsystem design from concept to competition; designed and fabricated drivetrain and actuator systems, lowering chassis weight 25% and increasing speed 15%.
- Integrated sensors and autonomous control logic to improve cycle time by 1.5x; qualified for State and World Championships.
- Designed and tested PVDF nanofiber energy-harvesting structures converting mechanical strain into 4 mW electrical output per action.
- Built custom test rigs and led a 4-student sub-team coordinating fabrication and experimental validation.
Featured Content & Videos
Lagrange Multipliers
Constrained optimization breakdown with geometric intuition and step-by-step unit circle example.
Stokes' Theorem Concept
Boilerexams visual breakdown connecting surface curl to boundary circulation in 2D and 3D.
MA261 Exam 2 Survival Guide
Full review covering Lagrange multipliers, double/triple integrals, center of mass, and line integrals.
After You Study Calc 3 for 7 Hours
The realistic aftermath of a late-night multivariable calculus study session.
i hated everyone.
Personal reflection on high school comparison, quiet resentment, and making peace with yourself.
Love and Chainsaw Man
Thoughts on relationships, loneliness, and embracing uncertainty inspired by the Reze Arc movie.
cookies.
A chill baking vlog making homemade brown butter chocolate chunk cookies.
Let the World Catch Up to You
Short motivational perspective on moving at your own pace without feeling behind in life.
A Quiet Night at Purdue University
Solo night walk across Purdue campus reflecting on college, quiet moments, and growth.